LB1931T Datasheet, PDF (1/4 Pages) Sanyo Semicon Device – Constant Current Solenoid Driver IC for Digital Cameras

Ordering number : ENN7100
Monolithic Digital IC
LB1931T
Constant Current Solenoid Driver IC
for Digital Cameras
Overview
Package Dimensions
The LB1931T is a driver IC for solenoid coils that provide unit: mm
a constant current control function. The LB1931T features _3245A-MSOP8
low-saturation output and a hold function, and is optimal
for control of plunger shutters in digital cameras.
[LB1931T]
Functions and Features
3.0
8
5
• Constant current control (I_O = 400 mA when Rf =
0.5 Ω)
• Ultraminiature package (MSOP8: 150 mil)
• Built-in thermal protection circuit
• Hold function
• Includes a rapid charge/rapid discharge circuit for stable
1
0.65
(0.53)
4
0.25
0.125
shutter operation.
• Built-in reference voltage circuit (0.2 V typical)
SANYO: MSOP8 (150 mil)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Output current
Output applied voltage
Input applied voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V_CC max
I_O max
V_O max
V_IN
Pd max
Topr
Tstg
Conditions
IN1
Mounted on a specified board.*
Note*: Mounted on a board (114.3 ×76.1 ×1.6 mm³: glass epoxy resin).
Ratings
Unit
–0.3 to +10.5
V
600
mA
–0.3 to V_CC + 0.3
V
–0.3 to +10.5
V
400
mW
–20 to +75
°C
–55 to +150
°C
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N2502AS (OT) No. 7100-1/4